76 lines
2.5 KiB
JavaScript
76 lines
2.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _utils = require("@jimp/utils");
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/**
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* Creates a circle out of an image.
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* @param {function(Error, Jimp)} options (optional)
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* opacity - opacity of the shadow between 0 and 1
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* size,- of the shadow
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* blur - how blurry the shadow is
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* x- x position of shadow
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* y - y position of shadow
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* @param {function(Error, Jimp)} cb (optional) a callback for when complete
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* @returns {Jimp} this for chaining of methods
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*/
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var _default = function _default() {
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return {
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shadow: function shadow() {
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var _this = this;
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var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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var cb = arguments.length > 1 ? arguments[1] : undefined;
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if (typeof options === 'function') {
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cb = options;
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options = {};
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}
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var _options = options,
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_options$opacity = _options.opacity,
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opacity = _options$opacity === void 0 ? 0.7 : _options$opacity,
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_options$size = _options.size,
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size = _options$size === void 0 ? 1.1 : _options$size,
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_options$x = _options.x,
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x = _options$x === void 0 ? -25 : _options$x,
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_options$y = _options.y,
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y = _options$y === void 0 ? 25 : _options$y,
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_options$blur = _options.blur,
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blur = _options$blur === void 0 ? 5 : _options$blur; // clone the image
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var orig = this.clone();
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var shadow = this.clone(); // turn all it's pixels black
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shadow.scan(0, 0, shadow.bitmap.width, shadow.bitmap.height, function (x, y, idx) {
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shadow.bitmap.data[idx] = 0x00;
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shadow.bitmap.data[idx + 1] = 0x00;
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shadow.bitmap.data[idx + 2] = 0x00; // up the opacity a little,
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shadow.bitmap.data[idx + 3] = shadow.constructor.limit255(shadow.bitmap.data[idx + 3] * opacity);
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_this.bitmap.data[idx] = 0x00;
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_this.bitmap.data[idx + 1] = 0x00;
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_this.bitmap.data[idx + 2] = 0x00;
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_this.bitmap.data[idx + 3] = 0x00;
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}); // enlarge it. This creates a "shadow".
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shadow.resize(shadow.bitmap.width * size, shadow.bitmap.height * size).blur(blur); // Then blit the "shadow" onto the background and the image on top of that.
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this.composite(shadow, x, y);
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this.composite(orig, 0, 0);
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if ((0, _utils.isNodePattern)(cb)) {
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cb.call(this, null, this);
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}
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return this;
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}
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};
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};
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exports["default"] = _default;
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//# sourceMappingURL=index.js.map
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